Error launching moveit2_tutorials demo.launch.py

[tractormaster4596]

Description

Launch the demo.launch.py file fails probably due to an invalid parameter Your environment

ROS Distro: [humble]
OS Version: Ubuntu 22.04 (WSL2)
Source or Binary build? Source

error log 1746673151.6561325 [INFO] [launch]: All log files can be found below /home/lj/.ros/log/2025-05-08-10-59-11-655300-lj-Legion-Y7000P-IRH8-71703 1746673151.6562192 [INFO] [launch]: Default logging verbosity is set to INFO 1746673151.7111931 [ERROR] [launch]: Caught exception in launch (see debug for traceback): Caught multiple exceptions when trying to load file of format [py]:

• XacroException: Invalid parameter "sim_gazebo"
• InvalidFrontendLaunchFileError: The launch file may have a syntax error, or its format is unknown

[youdaosuki]

i meet same question. How did you solve it